Orlando Regional Medical Center, located near the nightclub, said it received “several gunshot victims,” in a statement released at 5 a.m.

The statement read, “Orlando Regional Medical Center was placed on lockdown around 2:00 a.m. after receiving several gunshot victims. Only essential workers are being allowed access into the building. Out of an abundance of caution, Arnold Palmer Hospital and Winnie Palmer Hospital have also been placed on lockdown.”

After 2 a.m., Pulse Nightclub posted on its Facebook page, “Everyone get out of pulse and keep running.”

Orlando Police tweeted around 4:30 a.m., “This is a fluid scene and we are working on getting you an update.”